77981456

素因数分解:

$2^4\times 7^1\times {\mathrm{696263}}^1$

素因数の和:696278

約数の個数: 20

約数和(自身を含む): 172673472

約数和(自身を除く): 94692016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 696263, 1392526, 2785052, 4873841, 5570104, 9747682, 11140208, 19495364, 38990728, 77981456]

約数ペア:

[(1, 77981456), (2, 38990728), (4, 19495364), (7, 11140208), (8, 9747682), (14, 5570104), (16, 4873841), (28, 2785052), (56, 1392526), (112, 696263)]